1# $FreeBSD$ 2 3# Test for broken LHS expansion. 4# This *must* case make(1) to detect a recursive variable, and fail as such. 5.if make(lhs_expn) 6FOO= ${BAR} 7BAR${NIL}= ${FOO} 8FOO${BAR}= ${FOO} 9.endif 10 11DATA1= helllo 12DATA2:= ${DATA1} 13DATA3= ${DATA2:S/ll/rr/g} 14DATA4:= ${DATA2:S/ll/rr/g} 15DATA2?= allo 16DATA5:= ${DATA2:S/ll/ii/g} ${DATA1:S/ll/rr/g} 17DATA2= yello 18DATA1:= ${DATA5:S/l/r/g} 19NIL= 20 21all: 22 @echo "Running test variables" 23 @echo 1:${DATA1} 2:${DATA2} 3:${DATA3} 4:${DATA4} 5:${DATA5} | \ 24 diff -u ${.CURDIR}/regress.variables.out - || ${MAKE} failure 25 @echo "PASS: Test variables detected no regression, output matches." 26 @echo "Running test targets" 27 @${MAKE} double || ${MAKE} failure 28 @echo "PASS: Test targets detected no regression." 29 @echo "Running test sysvmatch" 30 @${MAKE} sysvmatch || ${MAKE} failure 31 @echo "PASS: Test sysvmatch detected no regression." 32 @echo "Running test lhs_expn" 33 @! ${MAKE} lhs_expn && true || ${MAKE} failure 34 @echo "PASS: Test lhs_expn detected no regression." 35 36.if make(double) 37# Doubly-defined targets. make(1) will warn, but use the "right" one. If it 38# switches to using the "non-right" one, it breaks things worse than a little 39# regression test. 40double: 41 @true 42 43double: 44 @false 45.endif 46 47.if make(sysvmatch) 48# Some versions of FreeBSD make(1) do not handle a nil LHS in sysvsubst. 49sysvmatch: 50 @echo EMPTY ${NIL:=foo} LHS | \ 51 diff -u ${.CURDIR}/regress.sysvmatch.out - || false 52.endif 53 54# A bogus target for the lhs_expn test; If this is reached, then the make(1) 55# program has not errored out because of the recursion caused by not expanding 56# the left-hand-side's embedded variables above. 57lhs_expn: 58 @true 59 60failure: 61 @echo "FAIL: Test failed: regression detected. See above." 62 @false 63